Method for prevention of well fouling

Details Method for prevention of well fouling Method for prevention of well fouling

1990-04-30

1991-12-03

Suchfield, George A.

Wells

Processes

Cleaning or unloading well

166106, 166250, 166371, E21B 3708

Patent

active

050692860

ABSTRACT:
This invention relates to a method for stabilizing and maintaining water wells penetrating a subterranean formation for the production of water which comprises adding to the wells at least one anionic polymeric sequesterant derived from a carboxylic acid and then subsequently treating the well water with a small but effective amount of at least one biocide.

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patent: 3529666 (1970-09-01), Crowe
patent: 3547194 (1970-12-01), Morine
patent: 3827977 (1974-08-01), Miles et al.
patent: 3899027 (1975-08-01), Jenkins
patent: 3945436 (1976-03-01), Nebolsine
patent: 4762626 (1988-08-01), Emmons et al.
patent: 4830111 (1989-05-01), Jenkins et al.
patent: 4947934 (1990-08-01), Hen

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